gistfile1.txt

#!/usr/bin/env ruby

require 'open-uri'
require 'csv'

CSV.open('infile.csv') do |csv|
  csv.each do |row|
    url = row[0]
    open(url) do |infile|
      rootname = File.basename(url)
      outfilename = File.join('out', rootname)
      File.open(outfilename, 'wb') do |out|
        out.write infile.read
      end
    end
  end
end